Fire protection sprinkler head with air-current diverting fins

Details Fire protection sprinkler head with air-current diverting fins Fire protection sprinkler head with air-current diverting fins

1979-04-30

1981-06-16

Bartuska, F. J.

Fire extinguishers

Sprinkler heads

Collapsible strut

169 42, A62C 3712

Patent

active

042731950

ABSTRACT:
A fire-protection sprinkler head with an improved response characteristic achieved by providing a fusible link with a fin having multiple face portions oriented to direct air currents from any of a plurality of orthogonal directions over the fusible region of the link. An embodiment with multiple fins provides an aggregate set of face portions that direct over the fusible region air currents that have X, Y, and Z orthogonal components in both positive and negative senses. Air currents can be directed both by deflecting effects and air foil effects. Preferably the face portions are facets formed integrally with sheet metal body members that form the link. In the preferred embodiment the link and all fins are formed of a pair of similar stampings from sheet metal.

REFERENCES:
patent: 621495 (1899-03-01), Iler
patent: 1244106 (1917-10-01), Lewis
patent: 1248433 (1917-11-01), Lewis
patent: 1300046 (1919-04-01), Teague
patent: 1357347 (1920-11-01), Roberts
patent: 1919235 (1933-07-01), Loepsinger
patent: 2075816 (1937-04-01), Loepsinger

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